transaction: add fuzz-test, refs. #2374

pkg/core/transaction/fuzz_test.go

@@ -0,0 +1,27 @@
+//go:build go1.18
+// +build go1.18
+
+package transaction
+
+import (
+	"encoding/base64"
+	"testing"
+
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/stretchr/testify/require"
+)
+
+func FuzzNewTransactionFromBytes(f *testing.F) {
+	b, err := base64.StdEncoding.DecodeString(rawInvocationTX)
+	require.NoError(f, err)
+	f.Add(b)
+	tx := New([]byte{0x51}, 1)
+	tx.Signers = []Signer{{Account: util.Uint160{1, 2, 3}}}
+	tx.Scripts = []Witness{{InvocationScript: []byte{}, VerificationScript: []byte{}}}
+	f.Add(tx.Bytes())
+	f.Fuzz(func(t *testing.T, b []byte) {
+		require.NotPanics(t, func() {
+			_, _ = NewTransactionFromBytes(b)
+		})
+	})
+}